大约有 43,000 项符合查询结果（耗时：0.0764秒） [XML]
What is Hindley-Milner?
... // For identifiers...
SExpressionSyntax.Token("[\\$_A-Za-z][\\$_0-9A-Za-z\\-]*", SExpressionSyntax.NewSymbol),
// ... and such
SExpressionSyntax.Token("[\\!\\&\\|\\<\\=\\>\\+\\-\\*\\/\\%\\:]+", SExpressionSyntax.NewSymbol)
);
va...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
...ute();
int second = now.getSecond();
int millis = now.get(ChronoField.MILLI_OF_SECOND); // Note: no direct getter available.
System.out.printf("%d-%02d-%02d %02d:%02d:%02d.%03d", year, month, day, hour, minute, second, millis);
Or, when you're not on Java 8 yet, make use of java.util.Calendar.
Cal...
What is the standard naming convention for html/css ids and classes?
... while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard.
Update 2015
An interesting corner case with conventions here is Rust. I really like the language, but the compiler will warn you if yo...
What does template mean?
...
template<void (*F)()>
struct FunctionWrapper {
static void call_it() { F(); }
};
// pass address of function do_it as argument.
void do_it() { }
FunctionWrapper<&do_it> test;
Template reference parameter (passing an integer)
template<int &A>
struct SillyExample {
...
What is the exact meaning of Git Bash?
...w (with the new Git For Windows):
GNU bash, version 4.3.33(3)-release (x86_64-pc-msys)
Copyright (C) 2013 Free Software Foundation, Inc.
Original answer (June 2013)
More precisely, from msygit wiki:
Historically, Git on Windows was only officially supported using Cygwin.
To help make a na...
How to read contacts on Android 2.0
...t you have added
<uses-permission android:name="android.permission.READ_CONTACTS"/>
to your AndroidManifest.xml file, then you can loop through your phone contacts like this:
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
while (...
Views vs Components in Ember.js
...intended to manage complex graphical elements.
– sly7_7
Sep 3 '13 at 15:50
3
...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
...-declarator ( parameter-type-list )
direct-declarator ( identifier-list_opt )
so only the identifier-list version can be empty because it is optional (_opt).
direct-declarator is the only grammar node that defines the parenthesis (...) part of the declarator.
So how do we disambiguate and us...
Null vs. False vs. 0 in PHP
...ity a function can return false for non existent values (e.g. strpos, input_filter) and null for failure (e.g. input_filter). so the answer is, use ===false and/or ===null, after reading that particular function documentation.
– gcb
Apr 18 '11 at 9:33
...
user authentication libraries for node.js?
...sions
What I ended up doing was creating my own middleware function check_auth that I pass as an argument to each route I want authenticated. check_auth merely checks the session and if the user is not logged in, then redirects them to the login page, like so:
function check_auth(req, res, next) ...